What information we can get from V$ REDO_DEST_RESP_HISTOGRAM in Oracle 11 g?

Yes, V$ REDO_DEST_RESP_HISTOGRAM is a new view in Oracle 11 g. It can be selected in the primary database.

I can't set it from the Oracle documents. Other items, he knows that's the contact with "NET_TIMEOUT".

Can you give me some examples of tell me how to use V$ REDO_DEST_RESP_HISTOGRAM?

Thank you for the U.

Lonion wrote:
How to grant NET_TIMEOUT according to V$ REDO_DEST_RESP_HISTOGRAM?

I think that you did not follow the link mentioned completely.

>
Run the following query on a source of redo data to display the histogram of response time for destination 2:

SQL > SELECT FREQUENCY, DURATION OF
2 > V$ REDO_DEST_RESP_HISTOGRAM WHERE DEST_ID = 2 AND FREQUENCY > 1;

Run the following query on a database of source of redo to see slower response time to destination 2:

SQL > SELECT max (DURATION) OF V$ REDO_DEST_RESP_HISTOGRAM
2 > WHERE DEST_ID = 2 AND FREQUENCY > 1;

Run the following query on a source of redo data to display the response time faster for destination 2:

SQL > SELECT min (DURATION) OF V$ REDO_DEST_RESP_HISTOGRAM
2 > WHERE DEST_ID = 2 AND FREQUENCY > 1;

Note:
The highest observed reaction time for a destination may not exceed the highest specified NET_TIMEOUT value specified for this destination, because synchronous transport mode sessions again are complete if a redo transport destination does not respond to a message from transport to redo a few seconds NET_TIMEOUT.

Tags: Database

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